This 900 square miles of desert, allowed realistic live firing, involving artillery and air strikes.

The muzzle of the barrel has an attachment that allows firing of rifle grenades.

The new version of K-3 allows firing of grenades without the need for any separate attachments - the grenade can be fired by simply placing it on the barrel.

The barrel was reinforced as to allow firing of all 81 mm mortar ammunition in existence.

However, their role is important in keeping muscle spindles taut, thereby allowing firing of alpha neurons to continue to discharge leading to muscle contraction.

All this allows safe firing in enclosed spaces.

The longer, heavier barrel and 80-round drum magazine of the QBB-95 allow sustained firing, however the standard 30-round box magazine is also compatible.

In addition, bullet casings eject to the front (1 o'clock position from the barrel) of the weapon, allowing left handed firing.

Very specific on Schmidt's single-action revolvers is the integrated firing pin and the cutaway hammer that allows dry firing without any gun damage.

This requires the use of a modified bolt, barrel extension and lock frame which have been designed to allow only semi-automatic firing.